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CVE-2024-4076— Assertion failure when serving both stale cache data and authoritative zone content

Quick assessment

Affected
ISC BIND 9
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ISC BIND是ISC开源的一套实现了DNS协议的开源软件。 ISC BIND 9存在安全漏洞，该漏洞源于同时提供陈旧缓存数据和权威区域内容时会导致断言失败。

CVSS 7.5 · High EPSS 2.11% · P81

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2024-4076

Vulnerability Information
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Vulnerability Title
Assertion failure when serving both stale cache data and authoritative zone content
Source: CVE Program / CVE List V5
Vulnerability Description
Client queries that trigger serving stale data and that also require lookups in local authoritative zone data may result in an assertion failure. This issue affects BIND 9 versions 9.16.13 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.33-S1 through 9.11.37-S1, 9.16.13-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ISC BIND 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC BIND是ISC开源的一套实现了DNS协议的开源软件。 ISC BIND 9存在安全漏洞，该漏洞源于同时提供陈旧缓存数据和权威区域内容时会导致断言失败。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ISC BIND 9 9.16.13 ~ 9.16.50 -

II. Public POCs for CVE-2024-4076

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III. Intelligence Information for CVE-2024-4076

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Mailing List Discussions for CVE-2024-4076 (2)

Other References for CVE-2024-4076 (1)

Same Patch Batch · ISC · 2024-07-23 · 4 CVEs total

CVE-2024-0760 7.5 HIGH A flood of DNS messages over TCP may make the server unstable
CVE-2024-1737 7.5 HIGH BIND's database will be slow if a very large number of RRs exist at the same name
CVE-2024-1975 7.5 HIGH SIG(0) can be used to exhaust CPU resources

IV. Related Vulnerabilities

Same product: BIND 9
Same vendor: ISC

V. Comments for CVE-2024-4076

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